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钟海霞2011

木虫 (小有名气)

mable

[求助] K-L方程的参数是多少 已有1人参与

我是做氧化原新手,请问大家计算转移电子数用的那个K-L方程中的参数如何查到的,不同电解质溶液中有什么区别,我查了很久都查不到扩散系数,氧气的浓度,动力粘度系数等这些参数都是多少?请高手指导。有相关的文献吗?
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完全美少女

新虫 (初入文坛)

【答案】应助回帖

Melt-salt-assisted direct transformation of solid oxide into atomically
dispersed FeN4 sites on nitrogen-doped porous carbon
一个师兄的文章,在最后酸碱的参数都有,一般文章里都会带着的
3楼2021-04-30 21:52:50
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完全美少女

新虫 (初入文坛)

【答案】应助回帖

正好在写论文,J(mA cm-2,下同)为测试得到的电流密度,JK为动力学电流密度,ω(rpm)是旋转圆盘电极的转速,n是反应中转移电子的数目,F为法拉第常数, C0是O2在0.1M KOH中的体积浓度(1.2×10-6 mol cm-3),D0是O2在0.1M KOH中的扩散系数(1.90×10-5 cm2 s-1),为电解质的动力粘度(0.01cm2 s-1)
2楼2021-04-30 21:51:38
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